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-rw-r--r--gdb/common/format.c350
1 files changed, 0 insertions, 350 deletions
diff --git a/gdb/common/format.c b/gdb/common/format.c
deleted file mode 100644
index fb3421e..0000000
--- a/gdb/common/format.c
+++ /dev/null
@@ -1,350 +0,0 @@
-/* Parse a printf-style format string.
-
- Copyright (C) 1986-2019 Free Software Foundation, Inc.
-
- This file is part of GDB.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-#include "common-defs.h"
-#include "format.h"
-
-format_pieces::format_pieces (const char **arg)
-{
- const char *s;
- char *f, *string;
- const char *prev_start;
- const char *percent_loc;
- char *sub_start, *current_substring;
- enum argclass this_argclass;
-
- s = *arg;
-
- /* Parse the format-control string and copy it into the string STRING,
- processing some kinds of escape sequence. */
-
- f = string = (char *) alloca (strlen (s) + 1);
-
- while (*s != '"' && *s != '\0')
- {
- int c = *s++;
- switch (c)
- {
- case '\0':
- continue;
-
- case '\\':
- switch (c = *s++)
- {
- case '\\':
- *f++ = '\\';
- break;
- case 'a':
- *f++ = '\a';
- break;
- case 'b':
- *f++ = '\b';
- break;
- case 'e':
- *f++ = '\e';
- break;
- case 'f':
- *f++ = '\f';
- break;
- case 'n':
- *f++ = '\n';
- break;
- case 'r':
- *f++ = '\r';
- break;
- case 't':
- *f++ = '\t';
- break;
- case 'v':
- *f++ = '\v';
- break;
- case '"':
- *f++ = '"';
- break;
- default:
- /* ??? TODO: handle other escape sequences. */
- error (_("Unrecognized escape character \\%c in format string."),
- c);
- }
- break;
-
- default:
- *f++ = c;
- }
- }
-
- /* Terminate our escape-processed copy. */
- *f++ = '\0';
-
- /* Whether the format string ended with double-quote or zero, we're
- done with it; it's up to callers to complain about syntax. */
- *arg = s;
-
- /* Need extra space for the '\0's. Doubling the size is sufficient. */
-
- current_substring = (char *) xmalloc (strlen (string) * 2 + 1000);
- m_storage.reset (current_substring);
-
- /* Now scan the string for %-specs and see what kinds of args they want.
- argclass classifies the %-specs so we can give printf-type functions
- something of the right size. */
-
- f = string;
- prev_start = string;
- while (*f)
- if (*f++ == '%')
- {
- int seen_hash = 0, seen_zero = 0, lcount = 0, seen_prec = 0;
- int seen_space = 0, seen_plus = 0;
- int seen_big_l = 0, seen_h = 0, seen_big_h = 0;
- int seen_big_d = 0, seen_double_big_d = 0;
- int bad = 0;
-
- /* Skip over "%%", it will become part of a literal piece. */
- if (*f == '%')
- {
- f++;
- continue;
- }
-
- sub_start = current_substring;
-
- strncpy (current_substring, prev_start, f - 1 - prev_start);
- current_substring += f - 1 - prev_start;
- *current_substring++ = '\0';
-
- m_pieces.emplace_back (sub_start, literal_piece);
-
- percent_loc = f - 1;
-
- /* Check the validity of the format specifier, and work
- out what argument it expects. We only accept C89
- format strings, with the exception of long long (which
- we autoconf for). */
-
- /* The first part of a format specifier is a set of flag
- characters. */
- while (*f != '\0' && strchr ("0-+ #", *f))
- {
- if (*f == '#')
- seen_hash = 1;
- else if (*f == '0')
- seen_zero = 1;
- else if (*f == ' ')
- seen_space = 1;
- else if (*f == '+')
- seen_plus = 1;
- f++;
- }
-
- /* The next part of a format specifier is a width. */
- while (*f != '\0' && strchr ("0123456789", *f))
- f++;
-
- /* The next part of a format specifier is a precision. */
- if (*f == '.')
- {
- seen_prec = 1;
- f++;
- while (*f != '\0' && strchr ("0123456789", *f))
- f++;
- }
-
- /* The next part of a format specifier is a length modifier. */
- if (*f == 'h')
- {
- seen_h = 1;
- f++;
- }
- else if (*f == 'l')
- {
- f++;
- lcount++;
- if (*f == 'l')
- {
- f++;
- lcount++;
- }
- }
- else if (*f == 'L')
- {
- seen_big_l = 1;
- f++;
- }
- /* Decimal32 modifier. */
- else if (*f == 'H')
- {
- seen_big_h = 1;
- f++;
- }
- /* Decimal64 and Decimal128 modifiers. */
- else if (*f == 'D')
- {
- f++;
-
- /* Check for a Decimal128. */
- if (*f == 'D')
- {
- f++;
- seen_double_big_d = 1;
- }
- else
- seen_big_d = 1;
- }
-
- switch (*f)
- {
- case 'u':
- if (seen_hash)
- bad = 1;
- /* FALLTHROUGH */
-
- case 'o':
- case 'x':
- case 'X':
- if (seen_space || seen_plus)
- bad = 1;
- /* FALLTHROUGH */
-
- case 'd':
- case 'i':
- if (lcount == 0)
- this_argclass = int_arg;
- else if (lcount == 1)
- this_argclass = long_arg;
- else
- this_argclass = long_long_arg;
-
- if (seen_big_l)
- bad = 1;
- break;
-
- case 'c':
- this_argclass = lcount == 0 ? int_arg : wide_char_arg;
- if (lcount > 1 || seen_h || seen_big_l)
- bad = 1;
- if (seen_prec || seen_zero || seen_space || seen_plus)
- bad = 1;
- break;
-
- case 'p':
- this_argclass = ptr_arg;
- if (lcount || seen_h || seen_big_l)
- bad = 1;
- if (seen_prec)
- bad = 1;
- if (seen_hash || seen_zero || seen_space || seen_plus)
- bad = 1;
- break;
-
- case 's':
- this_argclass = lcount == 0 ? string_arg : wide_string_arg;
- if (lcount > 1 || seen_h || seen_big_l)
- bad = 1;
- if (seen_zero || seen_space || seen_plus)
- bad = 1;
- break;
-
- case 'e':
- case 'f':
- case 'g':
- case 'E':
- case 'G':
- if (seen_double_big_d)
- this_argclass = dec128float_arg;
- else if (seen_big_d)
- this_argclass = dec64float_arg;
- else if (seen_big_h)
- this_argclass = dec32float_arg;
- else if (seen_big_l)
- this_argclass = long_double_arg;
- else
- this_argclass = double_arg;
-
- if (lcount || seen_h)
- bad = 1;
- break;
-
- case '*':
- error (_("`*' not supported for precision or width in printf"));
-
- case 'n':
- error (_("Format specifier `n' not supported in printf"));
-
- case '\0':
- error (_("Incomplete format specifier at end of format string"));
-
- default:
- error (_("Unrecognized format specifier '%c' in printf"), *f);
- }
-
- if (bad)
- error (_("Inappropriate modifiers to "
- "format specifier '%c' in printf"),
- *f);
-
- f++;
-
- sub_start = current_substring;
-
- if (lcount > 1 && USE_PRINTF_I64)
- {
- /* Windows' printf does support long long, but not the usual way.
- Convert %lld to %I64d. */
- int length_before_ll = f - percent_loc - 1 - lcount;
-
- strncpy (current_substring, percent_loc, length_before_ll);
- strcpy (current_substring + length_before_ll, "I64");
- current_substring[length_before_ll + 3] =
- percent_loc[length_before_ll + lcount];
- current_substring += length_before_ll + 4;
- }
- else if (this_argclass == wide_string_arg
- || this_argclass == wide_char_arg)
- {
- /* Convert %ls or %lc to %s. */
- int length_before_ls = f - percent_loc - 2;
-
- strncpy (current_substring, percent_loc, length_before_ls);
- strcpy (current_substring + length_before_ls, "s");
- current_substring += length_before_ls + 2;
- }
- else
- {
- strncpy (current_substring, percent_loc, f - percent_loc);
- current_substring += f - percent_loc;
- }
-
- *current_substring++ = '\0';
-
- prev_start = f;
-
- m_pieces.emplace_back (sub_start, this_argclass);
- }
-
- /* Record the remainder of the string. */
-
- sub_start = current_substring;
-
- strncpy (current_substring, prev_start, f - prev_start);
- current_substring += f - prev_start;
- *current_substring++ = '\0';
-
- m_pieces.emplace_back (sub_start, literal_piece);
-}
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